73% (1992)

86% (1960)

68% (1957)

66% (1991)

70% (1967)

55% (1945)

45% (1992)

42% (1968)

62% (1954)

64% (1954)

64% (1949)

70% (1964)

55% (1953)

52% (1985)

52% (1986)

69% (1945)

54% (1951)

54% (1971)

50% (1968)

46% (1950)